CN204688664U - One is taken a breath emulsion pumps easily - Google Patents

Abstract

The utility model discloses one to take a breath emulsion pumps easily, it is characterized in that: include pump chamber, pump rod is provided with in described pump chamber, pump rod is arranged with suction plug assembly, pump chamber sidewall is provided with ventilation orifice, described ventilation orifice is closed when described suction plug assembly is in extreme higher position, tightening cover is connected with in described pump chamber upper end, described tightening cover is set on described pump rod, curved mouth is connected with in described pump rod upper end, limited step is provided with in described pump chamber bottom, retracing spring is provided with between described suction plug assembly and limited step, pump chamber below described limited step is provided with Beng Zhu mechanism, inlet is provided with in described pump chamber lower end.The purpose of this utility model is to overcome weak point of the prior art, and provide a kind of structure simple, ventilation effect is good, effectively can prevent the emulsion pumps being with liquid.

Description

A lotion pump with convenient ventilation

technical field

The utility model relates to an emulsion pump with convenient ventilation.

Background technique

Because of its exquisite design and convenient use, the lotion pump has been widely used in daily chemical and pharmaceutical industries. However, the existing lotion pump has many parts, complex structure, difficult manufacture, high production cost, and due to the defects in the design of the existing lotion pump, its ventilation is not smooth, thereby seriously affecting the use effect of the lotion pump. Occasionally, there will be fluid. Can not meet the needs of users.

Therefore, the existing lotion pump needs to be further improved.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, and provide an emulsion pump with simple structure, good ventilation effect and effective prevention of liquid entrainment.

In order to achieve the above object, the utility model adopts the following scheme:

A lotion pump with convenient ventilation, characterized in that it includes a pump chamber, a pump rod is arranged in the pump chamber, a suction plug assembly is set on the pump rod, and a ventilation hole is arranged on the side wall of the pump chamber , when the suction plug assembly is at the highest position, the ventilation hole is closed, a locking cover is connected to the upper end of the pump chamber, the locking cover is sleeved on the pump rod, and the upper end of the pump rod is A curved mouth is connected, a limit step is provided at the lower part of the pump chamber, a return spring is provided between the suction plug assembly and the limit step, and a pump bead mechanism is provided on the pump chamber below the limit step, A liquid inlet is provided at the lower end of the pump chamber.

A lotion pump with convenient ventilation as described above is characterized in that the locking cover includes a cover, and an inner connecting convex ring and an outer connecting convex ring are arranged on the cover, and the inner connecting convex ring An accommodating groove is provided between the outer connecting convex ring, the upper end of the pump chamber is set in the accommodating groove, a snap-fit groove is provided on the inner wall of the outer connecting convex ring, and an outer wall of the upper end of the pump chamber is provided. A snap ring matching the snap groove is provided, the inner connecting convex ring is inserted into the pump chamber, and the inner wall of the inner connecting convex ring is provided with a sealing ring capable of sealing with the outer wall of the pump rod, An annular sealing connection groove is provided on the end of the inner connecting convex ring, and when the suction plug assembly rises to the highest position, the suction plug assembly is in sealing connection with the annular sealing connection groove.

The above-mentioned lotion pump with convenient ventilation is characterized in that an annular groove for elastic deformation of the sealing ring is provided between the sealing ring and the inner connecting convex ring.

A lotion pump with convenient ventilation as described above is characterized in that the suction plug assembly includes a lower pump rod, one end of the lower pump rod is inserted into the pump rod, and a There is a connection slot, and a connection block is provided at the position corresponding to the lower pump rod and the connection slot, and the connection block is set in the connection slot, and the lower pump rod and the pump rod connected to each other, a limiting convex ring is provided at the lower part of the pump rod, a limiting part is provided at the other end of the lower pump rod, and a suction plug is movable between the limiting convex ring and the limiting part. The suction plug includes an inner plug body, which is sheathed on the pump rod and the lower pump rod, and an outer plug body capable of forming a seal with the inner wall of the pump is arranged outside the inner plug body through an annular connector , a sealing ring groove is provided on the lower end surface of the limiting convex ring, the inner plug body can form a seal with the sealing ring groove, a tapered mouth is provided at the lower end of the inner plug body, and a A conical connecting part, the conical connecting part can form a seal with the conical mouth, a positioning groove is provided at the lower end of the limiting part, and one end of the return spring is pressed into the positioning groove, and the The lower pump rod is provided with a communication hole, and there is a gap between the inner plug body and the outer wall of the lower pump rod, and the communication hole communicates with the gap. When the suction plug assembly rises to the highest position, the The upper end of the outer plug body is arranged in the annular sealing connection groove.

A lotion pump with convenient ventilation as described above is characterized in that the pump bead mechanism includes a pump bead chamber, a pump bead is arranged in the pump bead chamber, and an anti-pump is installed at the lower end of the pump bead chamber. The bead falls into the limit connection step of the liquid inlet, and the pump inner wall above the pump bead chamber is provided with a limit rib to prevent the pump bead from running out of the pump bead chamber.

A lotion pump with convenient ventilation as described above is characterized in that a locking piece capable of preventing the curved mouth from being pressed down is provided between the curved mouth and the locking cover.

A lotion pump with convenient ventilation as described above is characterized in that the locking piece includes a locking seat, an opening is provided on one side of the locking seat, and an opening is provided on the other end of the locking seat to facilitate locking. The pull piece taken out of the seat is provided with a locking groove at the upper end of the locking seat, and a positioning slot is provided at the lower part of the curved mouth, and the positioning slot presses against the locking groove.

A lotion pump with convenient ventilation as described above is characterized in that a connecting card platform is provided on the inner wall of the lower part of the elbow, and a connecting snap ring is provided on the upper end of the pump rod, and the connecting snap ring is snapped on The connection card is on the desk.

A convenient lotion pump as described above is characterized in that a positioning boss is provided on the upper part of the pump chamber, and a locking bottle cap is sleeved on the positioning boss, and the locking cap is set on the A gasket is sleeved above the bottle lock cap and below the positioning boss.

In summary, the utility model has the beneficial effects relative to the prior art as follows:

In the utility model, the ventilation hole is arranged on the pump chamber when the suction plug assembly is at the highest position, and the two sides of the outer surface of the suction plug are kept in a sealed state with the inner wall of the pump chamber. The hole is opened to realize air exchange, and can continue to maintain a sealed state after returning to the spring, so as to achieve a good air exchange effect. The utility model has the advantages of simple structure, convenient installation and simple use.

The structure of the utility model can prevent leaks and liquids no matter in the locked state or the opened state, which is safe, reliable and convenient to use.

Description of drawings

Fig. 1 is the schematic sectional view of the utility model;

Fig. 2 is the enlarged view of place A in Fig. 1;

Fig. 3 is the enlarged view of place B in Fig. 1;

Fig. 4 is an enlarged view of point C in Fig. 1 .

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments:

A convenient lotion pump for ventilation as shown in Figures 1 to 4 includes a pump chamber 1, a pump rod 2 is arranged in the pump chamber 1, and a suction plug assembly 3 is sleeved on the pump rod 2. A vent hole 4 is provided on the side wall of the pump chamber 1, and the vent hole 4 is closed when the suction plug assembly 3 is at the highest position, and a locking cover 5 is connected to the upper end of the pump chamber 1, and the locking cap 5 is connected to the upper end of the pump chamber 1. The cover 5 is sleeved on the pump rod 2, the upper end of the pump rod 2 is connected with a curved nozzle 6, and a limit step 7 is provided at the lower part of the pump chamber 1, and the suction plug assembly 3 and the limit step 7 A return spring 8 is provided between them, a pump bead mechanism 9 is provided on the pump chamber 1 below the limiting step 7 , and a liquid inlet 10 is provided at the lower end of the pump chamber 1 .

The locking cover 5 described in the utility model includes a cover body 51, on which an inner connecting convex ring 52 and an outer connecting convex ring 53 are arranged, and the inner connecting convex ring 52 and the outer connecting convex ring 53 An accommodating groove 54 is arranged between them, and the upper end of the pump chamber 1 is set in the accommodating groove 54, and a snap-fit groove 55 is provided on the inner wall of the outer connecting convex ring 53, and on the outer wall of the upper end of the pump chamber 1 A snap-fit ring 11 matching the snap-fit groove 55 is provided on the top, the inner connecting convex ring 52 is plugged into the pump chamber 1, and the inner wall of the inner connecting convex ring 52 is provided with a The sealing ring 58 for sealing the outer wall of the rod 2 is provided with an annular sealing connection groove 56 on the end of the inner connecting convex ring 52. When the suction plug assembly 3 rises to the highest position, the suction plug assembly 3 and the annular sealing connection groove 56 sealed connections. In the utility model, the locking cover 5 is conveniently connected with the pump chamber 1 and has good sealing performance.

In the utility model, an annular groove 57 for elastic deformation of the sealing ring 58 is provided between the sealing ring 58 and the inner connecting convex ring 52 . The arrangement of the annular groove 57 is beneficial to the dynamic deformation of the sealing ring 58 during the movement of the pump rod 2, thereby achieving the effect of dynamic sealing.

The suction plug assembly 3 described in the utility model includes a lower pump rod 31, one end of the lower pump rod 31 is plugged into the pump rod 2, and a connecting slot 21 is provided in the pump rod 2. The position corresponding to the lower pump rod 31 and the connecting slot 21 is provided with a connecting block 311, and the connecting block 311 is stuck in the connecting slot 21, and the lower pump rod 31 and the pump rod 2 are connected, a limiting protruding ring 22 is provided on the lower part of the pump rod 2, and a limiting part 312 is provided on the other end of the lower pump rod 31 to move between the limiting protruding ring 22 and the limiting part 312 A suction plug 32 is provided, and the suction plug 32 includes an inner plug body 321. The inner plug body 321 is sheathed on the pump rod 2 and the lower pump rod 31, and passes through a ring outside the inner plug body 321. The connecting piece 322 is provided with an outer plug body 323 capable of forming a seal with the inner wall of the pump chamber 1, and a seal ring groove 221 is provided on the lower end surface of the position-limiting convex ring 22, and the inner plug body 321 can form a seal with the seal ring groove 221. , a tapered opening 324 is provided at the lower end of the inner plug body 321, a tapered connecting portion 313 is provided on the limiting portion 312, and the tapered connecting portion 313 can form a seal with the tapered opening 324, A positioning groove 314 is provided at the lower end of the limiting portion 312, and one end of the return spring 8 is pressed against the positioning groove 314, and a communication hole 315 is provided on the lower pump rod 31, and the inner plug body There is a gap between 321 and the outer wall of the lower pump rod 31, and the communication hole 315 communicates with the gap. When the suction plug assembly 3 rises to the highest position, the upper end of the outer plug body 323 is set on the In the connection groove 56.

In the utility model, when the elbow 6 is pressed down by an external force, the pump rod 2 drives the lower pump rod 31 to move down, and the conical connecting part 313 is separated from the conical opening 324 at the lower end of the inner plug body 321, thereby making the communication hole 315 communicates with the inner cavity of the pump chamber 1, and the process of moving down the limit protrusion ring 22 drives the suction plug 32 to move down, so as to realize the discharge of the pump chamber 1 between the pump bead mechanism 9 and the suction plug 32, and the air from The ventilation hole 4 enters the inner chamber of the pump chamber 1 between the suction plug 32 and the locking cover 5. When the pump rod 2 rises and resets under the action of the return spring 8, the pump chamber between the pump bead mechanism 9 and the suction plug 32 1 When a negative pressure is generated, the liquid or emulsion can enter from the liquid inlet 10, and the pump beads in the pump bead mechanism are washed away to enter the pump chamber 1. During the upward movement of the suction plug 32, the air between the suction plug 32 and the locking cap 5 Exhausted from ventilation hole 4. When pressing again, the liquid or emulsion in the pump chamber 1 between the pump bead mechanism 9 and the suction plug 32 can enter the inner cavity of the pump rod 2 from the communication hole 315 and spray out from the curved nozzle 6. The structure is simple and easy to use.

The pump bead mechanism 9 described in the utility model includes a pump bead chamber 91, a pump bead 92 is arranged in the pump bead chamber 91, and a pump bead 92 is provided at the lower end of the pump bead chamber 91 to prevent the pump bead 92 from falling into the liquid. The limit connection step 93 of the port 10 is provided with a limit rib 94 on the inner wall of the pump chamber 1 above the pump bead chamber 91 to prevent the pump bead 92 from running out of the pump bead chamber 91 .

In the utility model, a locking piece 12 capable of preventing the bending mouth 6 from being pressed down is provided between the bending mouth 6 and the locking cover 5 . Wherein said locking member 12 includes a locking seat 121, an opening 122 is provided on one side of said locking seat 121, and a pull tab 123 is provided on the other end of said locking seat 121 to facilitate the removal of locking seat 121. The upper end of the locking seat 121 is provided with a locking groove 124 , and the lower part of the curved mouth 6 is provided with a positioning slot 61 , and the positioning slot 61 presses against the locking slot 124 . When not in use or during transportation, the locking member 12 is fastened between the curved mouth 6 and the locking cover 5, which can effectively prevent the curved mouth 6 from being pressed by mistake, and is safe and reliable.

In the present utility model, a connection card platform 62 is provided on the inner wall of the lower part of the curved mouth 6, and a connection snap ring 23 is provided at the upper end of the pump rod 2, and the connection snap ring 23 is clamped on the connection card platform 62. . The connection between the curved mouth 6 and the pump rod 2 is convenient and fast.

In the utility model, a positioning boss 101 is provided on the upper part of the pump chamber 1, and a locking bottle cap 50 is set on the positioning boss 101, and the locking cap 5 is arranged above the locking bottle cap 50. , a gasket 102 is sheathed under the positioning boss 101 .

The ventilating structure of the utility model is set on the pump chamber 1 when the venting hole 4 is at the highest position of the suction plug assembly 3. At this time, the suction plug will move down, at this time, the ventilation hole is opened to realize ventilation, and it can continue to maintain the sealed state after returning to the spring, so as to achieve a good ventilation effect. The utility model has the advantages of simple structure, convenient installation and simple use.

The basic principles and main features of the utility model and the advantages of the utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (9)

1. A convenient lotion pump for ventilation, characterized in that: a pump chamber (1) is included, a pump rod (2) is provided in the pump chamber (1), and a pump rod (2) is sleeved on the pump rod (2). The suction plug assembly (3) is provided with a ventilation hole (4) on the side wall of the pump chamber (1). When the suction plug assembly (3) is at the highest position, the ventilation hole (4) is closed. The upper end of the pump chamber (1) is connected with a locking cover (5), the locking cover (5) is sleeved on the pump rod (2), and the upper end of the pump rod (2) is connected with a curved nozzle ( 6), a limit step (7) is provided at the lower part of the pump chamber (1), and a return spring (8) is provided between the suction plug assembly (3) and the limit step (7). A pump bead mechanism (9) is provided on the pump chamber (1) below the step (7), and a liquid inlet (10) is provided at the lower end of the pump chamber (1). 2. A lotion pump with convenient ventilation according to claim 1, characterized in that the locking cover (5) includes a cover body (51), and an internal connection is provided on the cover body (51). The protruding ring (52) and the external connecting protruding ring (53), an accommodating groove (54) is arranged between the internal connecting protruding ring (52) and the external connecting protruding ring (53), and the upper end of the pump chamber (1) It is arranged in the accommodating groove (54), and the inner wall of the outer connecting convex ring (53) is provided with a clamping groove (55), and the outer wall of the upper end of the pump chamber (1) is provided with the clamping groove (55). The snap ring (11) matched with the connecting groove (55), the inner connecting convex ring (52) is plugged into the pump chamber (1), and the inner wall of the inner connecting convex ring (52) is provided with A sealing ring (58) capable of sealing with the outer wall of the pump rod (2) is provided with an annular sealing connection groove (56) on the end of the inner connecting convex ring (52), and the suction plug assembly (3) rises to the highest When in position, the suction plug assembly (3) is in sealing connection with the annular sealing connection groove (56). 3. A lotion pump with convenient ventilation according to claim 2, characterized in that a seal ring (58) is provided between the seal ring (58) and the inner connecting convex ring (52) to facilitate elastic deformation of the seal ring (58). The annular groove (57). 4. A lotion pump with convenient ventilation according to claim 2 or 3, characterized in that the suction plug assembly (3) includes a lower pump rod (31), one end of the lower pump rod (31) Inserted into the pump rod (2), a connection slot (21) is provided in the pump rod (2), and at the position corresponding to the connection slot (21) on the lower pump rod (31) A connection block (311) is provided, and the connection block (311) is set in the connection slot (21), and the lower pump rod (31) is connected with the pump rod (2). The lower part of the pump rod (2) is provided with a limiting convex ring (22), and the other end of the lower pump rod (31) is provided with a limiting part (312). A suction plug (32) is movable between the parts (312), and the suction plug (32) includes an inner plug body (321), and the inner plug body (321) is sheathed on the pump rod (2) And on the lower pump rod (31), an outer plug body (323) capable of forming a seal with the inner wall of the pump chamber (1) is provided outside the inner plug body (321) through an annular connector (322). A sealing ring groove (221) is provided on the lower end surface of the convex ring (22), the inner plug body (321) can form a seal with the sealing ring groove (221), and a tapered mouth (324), and a conical connection part (313) is provided on the limiting part (312), and the conical connection part (313) can form a seal with the conical mouth (324). The lower end of the limiting part (312) is provided with a positioning groove (314), one end of the return spring (8) is pressed in the positioning groove (314), and a communication hole is provided on the lower pump rod (31) (315), there is a gap between the inner plug body (321) and the outer wall of the lower pump rod (31), the communication hole (315) communicates with the gap, and the suction plug assembly (3) rises When reaching the highest position, the upper end of the outer plug body (323) is set in the annular sealing connection groove (56). 5. A convenient lotion pump according to claim 1, characterized in that the bead pump mechanism (9) includes a bead pump chamber (91), and a bead pump chamber (91) is provided in the bead pump chamber (91). There are pump beads (92), and the lower end of the pump bead chamber (91) is provided with a limit connection step (93) to prevent the pump bead (92) from falling into the liquid inlet (10). ) above the pump chamber (1) inwall is provided with a limit rib (94) to prevent the pump beads (92) from running out of the pump beads chamber (91). 6. A lotion pump with convenient ventilation according to claim 1, characterized in that there is a valve between the curved mouth (6) and the locking cover (5) that can prevent the curved mouth (6) from pressing down. Lock (12). 7. A lotion pump with convenient ventilation according to claim 6, characterized in that said locking piece (12) includes a locking seat (121), and on one side of said locking seat (121) there is The opening (122), the other end of the locking seat (121) is provided with a pull tab (123) to facilitate the removal of the locking seat (121), and the upper end of the locking seat (121) is provided with a locking groove (124), A positioning slot (61) is provided at the lower part of the elbow (6), and the positioning slot (61) presses against the locking groove (124). 8. A lotion pump with convenient ventilation according to claim 1, characterized in that a connecting card platform (62) is provided on the inner wall of the lower part of the elbow (6), and a connecting card platform (62) is provided on the upper end of the pump rod (2). There is a connection snap ring (23), and the connection snap ring (23) is snapped on the connection card platform (62). 9. A lotion pump with convenient ventilation according to claim 1, characterized in that a positioning boss (101) is arranged on the upper part of the pump chamber (1), and the positioning boss (101) is covered with A bottle lock cap (50) is provided, the lock cap (5) is arranged above the bottle lock cap (50), and a gasket (102) is sleeved under the positioning boss (101).